According to a post on their Facebook page.
A few hours ago, the facebook of “WRC the Game” was updated with the following post;
Hi Guys, WRC 4 IS COMING!!!
Charged by adrenalin, the official 2013 FIA World Rally Championship videogame will be available in October for PlayStation®3, PlayStation®Vita, Xbox 360® and Windows PC®
Good news for WRC fans, it looks like we’ll be seeing a new version in October.